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BBB Industries N503-0103 Steering Gear
Overview of BBB Industries New Steering Gear N503-0103
The BBB Industries New Steering Gear N503-0103 is designed for precise steering control in select Buick, Cadillac, Chevrolet, Jeep, Oldsmobile, and Pontiac vehicles. This electric steering gear offers reliable performance and comes with an installation kit for ease of replacement.
- Output shaft diameter: 1.25 inches (31.75 mm)
- Input shaft diameter: 0.72 inches (18.29 mm)
- Input shaft spline count: 26 splines
- Output shaft spline count: 32 splines
- Inlet size: 11/16x18 thread
- Outlet size: 5/8x18 thread
- Pressure port thread size: 11/16x18
- Return port thread size: 5/8x18
- Number of mounting holes: 3
- Turns lock to lock: 3.375
- Manual or power: Electric steering gear
- Installation kit included
- New, not remanufactured
About the New Steering Gear Product Line
The BBB Industries New Steering Gear product line focuses on delivering brand-new steering components engineered to meet or exceed OEM specifications. This line ensures consistent fitment and performance for a range of vehicles, including popular models from Buick, Cadillac, Chevrolet, Jeep, Oldsmobile, and Pontiac. The N503-0103 part is part of this line, providing a direct replacement option with updated manufacturing standards.
Detailed Product Description
The N503-0103 steering gear is an electric type designed to replace worn or damaged steering gears in various GM and Jeep models such as the Chevrolet Camaro, Buick LeSabre, Pontiac Grand Prix, and Jeep Cherokee. It features a 1.25-inch output shaft diameter and a 0.72-inch input shaft diameter, with spline counts of 32 and 26 respectively, ensuring precise engagement and smooth steering response. The unit includes three mounting holes for secure installation and has inlet and outlet ports sized 11/16x18 and 5/8x18 threads, compatible with standard hydraulic lines. The steering gear offers 3.375 turns lock to lock, providing responsive steering feel consistent with factory specifications.
Common Applications and Issues Addressed
- Eliminates excessive steering play or looseness
- Resolves steering wheel vibration or noise
- Corrects difficulty in steering or heavy steering effort
- Fixes fluid leaks from worn seals or ports
- Restores proper steering alignment and control
Installation Notes and Tips
This steering gear comes with an installation kit to facilitate replacement. When installing the N503-0103, ensure all hydraulic connections match the specified inlet and outlet thread sizes (11/16x18 and 5/8x18). Verify spline counts and shaft diameters for compatibility with your vehicleβs steering column and linkage. Proper torque on mounting bolts and alignment of the steering gear are critical for safe operation. Bleed the power steering system thoroughly after installation to remove air and ensure smooth steering performance.
Quality Assurance and Warranty
BBB Industries provides this New Steering Gear as a brand-new component manufactured to meet OEM standards. The part number N503-0103 undergoes quality inspections to ensure durability and fitment accuracy. Installation kit inclusion supports proper setup. Warranty coverage details should be confirmed with the distributor or retailer, as BBB Industries typically offers limited warranties on new steering components.
| Brand | BBB Industries |
|---|---|
| Part Number | N503-0103 |
| Position | New Steering Gear |
| Inlet Size | 11/16X18 |
| Input Shaft Diameter | 0.72 |
| Input Shaft Diameter | 18.29 |
| Input Shaft Spline Count | 26 |
| Installation Kit Included | Yes |
| Manual or Power | Electric |
| New or Remanufactured | New |
| Number of Mounting Holes | 3 |
| Outlet Size | 5/8X18 |
| Output Shaft Diameter | 1.25 |
| Output Shaft Diameter | 31.75 |
| Output Shaft Spline Count | 32 |
| Pressure Port Thread Size | 11/16X18 |
| Return Port Thread Size | 5/8X18 |
| Turns Lock To Lock | 3.375 |
This part fits 111 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1979 | Buick | Century | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Buick | LeSabre | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Buick | Regal | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Buick | Riviera | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Buick | Skyhawk | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Buick | Skylark | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Cadillac | Commercial Chassis | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Cadillac | DeVille | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Cadillac | Eldorado | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Cadillac | Fleetwood | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Cadillac | Seville | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Chevrolet | Camaro | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1979 | Chevrolet | Caprice | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Chevrolet | El Camino | N/A | Power Steering; w/ Square (4 Bolt) Housing Cover w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1979 | Chevrolet | Impala | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Chevrolet | Malibu | N/A | Power Steering; w/ Square (4 Bolt) Housing Cover w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1979 | Chevrolet | Monte Carlo | N/A | Power Steering; w/ Square (4 Bolt) Housing Cover w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1979 | Chevrolet | Monza | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Chevrolet | Nova | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Jeep | Cherokee | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Jeep | J10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Jeep | Wagoneer | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Oldsmobile | 98 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Oldsmobile | Custom Cruiser | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Oldsmobile | Cutlass | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Oldsmobile | Cutlass Supreme | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Oldsmobile | Delta 88 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Oldsmobile | Omega | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Oldsmobile | Starfire | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Oldsmobile | Toronado | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Pontiac | Firebird | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1979 | Pontiac | Grand Am | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Pontiac | Grand Prix | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Pontiac | LeMans | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1979 | Pontiac | Phoenix | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1979 | Pontiac | Sunbird | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Buick | Century | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Buick | LeSabre | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Buick | Regal | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Buick | Riviera | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Buick | Skyhawk | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Buick | Skylark | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Cadillac | Commercial Chassis | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Cadillac | DeVille | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Cadillac | Eldorado | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Cadillac | Fleetwood | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Cadillac | Seville | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Chevrolet | Camaro | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1978 | Chevrolet | Caprice | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Chevrolet | El Camino | N/A | Power Steering; w/ Square (4 Bolt) Housing Cover w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1978 | Chevrolet | Impala | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Chevrolet | Malibu | N/A | Power Steering; w/ Square (4 Bolt) Housing Cover w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1978 | Chevrolet | Monte Carlo | N/A | Power Steering; w/ Square (4 Bolt) Housing Cover w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1978 | Chevrolet | Monza | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Chevrolet | Nova | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Jeep | Cherokee | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Jeep | J10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Jeep | Wagoneer | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Oldsmobile | 98 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Oldsmobile | Custom Cruiser | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Oldsmobile | Cutlass | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Oldsmobile | Cutlass Supreme | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Oldsmobile | Delta 88 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Oldsmobile | Omega | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Oldsmobile | Starfire | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Pontiac | Firebird | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1978 | Pontiac | Grand Am | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Pontiac | Grand Prix | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Pontiac | LeMans | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1978 | Pontiac | Phoenix | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1978 | Pontiac | Sunbird | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1977 | Buick | Century | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Buick | LeSabre | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Buick | Regal | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Buick | Riviera | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Buick | Skyhawk | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1977 | Buick | Skylark | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Cadillac | Commercial Chassis | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Cadillac | DeVille | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Cadillac | Eldorado | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Cadillac | Fleetwood | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Cadillac | Seville | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Chevrolet | Camaro | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1977 | Chevrolet | Caprice | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Chevrolet | El Camino | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1977 | Chevrolet | Impala | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Chevrolet | Malibu | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1977 | Chevrolet | Monte Carlo | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1977 | Chevrolet | Monza | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1977 | Chevrolet | Nova | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Jeep | Cherokee | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Jeep | J10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Jeep | Wagoneer | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Oldsmobile | 98 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Oldsmobile | Custom Cruiser | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Oldsmobile | Cutlass | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Oldsmobile | Cutlass Supreme | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Oldsmobile | Delta 88 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Oldsmobile | Omega | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Oldsmobile | Starfire | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
| 1977 | Pontiac | Bonneville | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Pontiac | Catalina | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Pontiac | Firebird | N/A | Power Steering; w/ 3 - 4 Turns Lock to Lock; New Steering Gear |
| 1977 | Pontiac | Grand Prix | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Pontiac | LeMans | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Pontiac | Phoenix | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1977 | Pontiac | Sunbird | N/A | Power Steering with Square (4 Bolt) Housing Cover; New Steering Gear |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.